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Health Assessment for Mountainous Rivers Based on Dominant Functions in the Huaijiu River, Beijing, China

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Abstract

Dominant functions usually vary greatly in different reaches of mountainous rivers and are influenced by different adjacent land uses. Assessing river health based on dominant functions is of great practical value to river management. To reveal the health status of different reaches in Beijing’s northern mountainous rivers, 60 investigated plots (river length 38.1 km) were surveyed in 2016 in the Huaijiu River, which is a typical mountainous river in northern Beijing, and a hierarchy-comprehensive analysis method was employed. Based on the degree of human influences, the Huaijiu River could be classified into six types, including natural reaches, near-natural reaches, artificial bank plant reaches, artificial bank ornamental plant reaches, artificial bank sparse plant dry-stone reaches and artificial bank masonry reaches. The river health assessment index system was established based on flood control, landscape, hydrology and water quality, and ecological functions. The analytic hierarchy process (AHP) was used to determine the weights of the function layer and indicator layer. The assessment results showed that healthy, subhealthy, slightly damaged, damaged and severely damaged plots accounted for 20.0%, 26.7%, 26.7%, 15.0% and 11.6% of the total plots, respectively. In summary, all plots in natural reaches, artificial bank plant reaches and artificial bank ornamental plant reaches were either healthy, subhealthy or slightly damaged. Plots in artificial bank masonry reaches were either subhealthy, slightly damaged, damaged or severely damaged, accounting for 9.1%, 27.3%, 27.3% and 36.4% of the total plots, respectively. The study proposed a method to assess mountainous river health based on dominant functions, which is a multiobjective approach and is not based solely on natural river functions. The assessment method is appropriate for the socioeconomic development and management of river basins.

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Acknowledgements

This research was supported by the Fundamental Research Funds for the Central Universities (NO. 2017ZY02), the second Tibetan Plateau Scientific Expedition and Research Program (STEP), (No. 2019QZKK0608) and the Fundamental Research Funds for the Central Universities (NO. 2015ZCQ-SB-03). We are thankful to many people for their contributions to this research. We wish to acknowledge Prof. Hongwei Wang (School of life science, Hebei university), Prof. Zengchuan Dong (Hohai university), Dr. Jiabiao Wang, Dr. Aihong Fu, Dr. Xiaojun Deng, and Jing Zhai for assistance in scoring the function and indicator layers. We thank Chao Sun for providing references and for suggestions on the study design. We also thank Yuguang He, Zhijie Wang, Xiao Zhang and Qiuling Jiang for assistance in sample collection.

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Correspondence to Zhongbao Xin.

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Kong, Q., Xin, Z., Zhao, Y. et al. Health Assessment for Mountainous Rivers Based on Dominant Functions in the Huaijiu River, Beijing, China. Environmental Management 70, 164–177 (2022). https://doi.org/10.1007/s00267-022-01620-z

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  • DOI: https://doi.org/10.1007/s00267-022-01620-z

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